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56753444 = 22111289851
BaseRepresentation
bin1101100001111…
…1110100100100
310221210101002102
43120133310210
5104012102234
65344231232
71256252636
oct330376444
9127711072
1056753444
112a043780
121700b518
13b9b1327
147774a56
154eb0c7e
hex361fd24

56753444 has 12 divisors (see below), whose sum is σ = 108347568. Its totient is φ = 25797000.

The previous prime is 56753423. The next prime is 56753479. The reversal of 56753444 is 44435765.

It is a happy number.

It is a super-2 number, since 2×567534442 = 6441906811722272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56753398 and 56753407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644882 + ... + 644969.

It is an arithmetic number, because the mean of its divisors is an integer number (9028964).

Almost surely, 256753444 is an apocalyptic number.

It is an amenable number.

56753444 is a deficient number, since it is larger than the sum of its proper divisors (51594124).

56753444 is a wasteful number, since it uses less digits than its factorization.

56753444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289866 (or 1289864 counting only the distinct ones).

The product of its digits is 201600, while the sum is 38.

The square root of 56753444 is about 7533.4881695002. The cubic root of 56753444 is about 384.2944157768.

It can be divided in two parts, 5675 and 3444, that added together give a palindrome (9119).

The spelling of 56753444 in words is "fifty-six million, seven hundred fifty-three thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 44 1289851 2579702 5159404 14188361 28376722 56753444